Add 7/50 and 21/40
7/50 + 21/40 is 133/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
7/50 = 7 × 4/50 × 4 = 28/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
21/40 = 21 × 5/40 × 5 = 105/200 - Add the two like fractions:
28/200 + 105/200 = 28 + 105/200 = 133/200 - So, 7/50 + 21/40 = 133/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/50+21/40 7/50+42/40 7/50+21/80 21/50+21/40 7/50+63/40 35/50+21/40 49/50+21/40